Telephone instrument base



FIG. 1 is a perspective view of a telephone instrument base, showing mynew design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevational view of one side thereof, the opposite sidebeing a mirror image of the side shown; and

FIG. 4 is a side elevational view thereof orthogonal to the elevationalview shown in FIG. 3, the opposite side being a mirror image of the sideshown.

The ornamental design for a telephone instrument base, as shown anddescribed.